id:A086173 - OEIS Search Results

Search: id:A086173

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Numbers n such that n*prime[n]-1 is prime.

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8

2, 8, 12, 14, 18, 30, 54, 66, 72, 80, 90, 94, 102, 110, 124, 144, 150, 160, 178, 184, 186, 198, 208, 210, 222, 224, 234, 250, 260, 264, 266, 280, 312, 336, 342, 370, 390, 400, 414, 432, 450, 462, 468, 470, 472, 476, 510, 564, 570, 596, 598, 600, 616, 652, 690 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`See also A086172, A086174, A086175, A086176, A086177.`
	MATHEMATICA	`Select[Range[1000], PrimeQ[ # Prime[ # ]-1]&]`
	CROSSREFS	`Cf. A086172, A086174, A086175, A086176, A086177.` `Sequence in context: A107629 A080058 A005796 this_sequence A108725 A108059 A139270` `Adjacent sequences: A086170 A086171 A086172 this_sequence A086174 A086175 A086176`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Jul 11 2003`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

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